Industrial windowed key drop lock box



FIG. 1 is a perspective view of an industrial windowed key drop lock box showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, with the left side being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a rear view thereof.

The broken lines are for illustrative purpose only and form no part of the claimed design. The broken lines which define the bounds of the claimed design form no part thereof. 

The ornamental design for an industrial windowed key drop lock box, as shown and described. 